51845240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{76243}}^1$

素因数の和:76271

約数の個数: 32

約数和(自身を含む): 123515280

約数和(自身を除く): 71670040

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 76243, 152486, 304972, 381215, 609944, 762430, 1296131, 1524860, 2592262, 3049720, 5184524, 6480655, 10369048, 12961310, 25922620, 51845240]

約数ペア:

[(1, 51845240), (2, 25922620), (4, 12961310), (5, 10369048), (8, 6480655), (10, 5184524), (17, 3049720), (20, 2592262), (34, 1524860), (40, 1296131), (68, 762430), (85, 609944), (136, 381215), (170, 304972), (340, 152486), (680, 76243)]